Stay with this one. On last night's 'Tonight Show,' Hugh Grant appeared to chat about various things -- including his new Valentine's Day-timed rom-com release, 'The Rewrite' -- before joining in on a spirited game of Hallway Golf with host Jimmy Fallon and special guest Charles Barkley. Despite a slow start -- it appears that no one really understands the rules or even cares about them -- this game eventually does pick up.